3.12.2 Limit Edit ··············································· 59
3.13 Return Path Spectrum ·································· 61
3.14 File Management ··········································62
3.14.1 File Directory ·········································62
3.14.2 Save File ················································ 63
3.14.3 Read File ··············································· 65
3.14.4 Delete File ··············································70
4. Setup .................................................................. 71
4.1 Brief Introduction ··········································· 71
4.2 INFORMATION ················································ 73
4.3 GENERAL ·························································· 74
4.3.1 Shutdown Time ········································ 74
4.3.2 Language Selection ·································· 74
4.3.3 Date and Time ········································ 75
4.3.4 Files Status ···············································76
4.3.5 Option ····················································· 77
4.3.5.1 Enable Optional Function ······················78
4.3.5.2 Disable Optional Function ···················· 80
4.4 Measurement Parameter Setup ····················· 82
4.4.1 Level Unit ················································ 82
4.4.2 Level Calibrate ········································· 82
4.4.3 Limit Setup ·············································· 83
4.4.4 Auto Diagnosis ·········································87
4.4.5 Voltage and temperature ························ 88
4.4.5.1 Battery Voltage ···································· 88
4.4.5.2 Trunk Voltage(AC LINE) ························ 89
IV